The period is menstruation, before menstruation measured a deep and a light, representing a weak positive, does not mean that you are pregnant, but may also be other situations.
The principle of early pregnancy test paper is whether or not there is HCG in human urine. there are several possibilities for weak positive HCG:
1. the use of early pregnancy test paper is not qualified or expired, resulting in a weak positive.
2. The urine specimen is not morning urine, affected by diet or other factors, resulting in inaccurate results, leading to a weak positive.
3. The test was not conducted according to the instructions, resulting in a weak positive.
4. The duration of pregnancy is too short, and the HCG content in the urine is too low, resulting in a weak positive.
Therefore, a deep and light test before menstruation is not necessarily pregnant, should be retested to understand the HCG situation, if necessary, go to the regular hospital for blood tests, and at the same time can be pelvic ultrasound to determine whether the pregnancy.